Mitsubishi Electric Jet Towel JT-SB116JH-G-NA User Manual Download

Page: 1 / 43

Warning:

Repair work must be performed by the manufacturer, its service
agent or a similarly qualified person in order to avoid hazards.

HAND DRYER

HANDBOOK

MODELS

JT-SB116JH2-S-NA
JT-SB116JH2-W-NA

April 2017 No. U219-A

Nameplate

Summary of Contents for Jet Towel JT-SB116JH-G-NA

Page 1: ...ir work must be performed by the manufacturer its service agent or a similarly qualified person in order to avoid hazards HAND DRYER HANDBOOK MODELS JT SB116JH2 S NA JT SB116JH2 W NA April 2017 No U219 A Nameplate ...

Page 2: ... 5 6 Outside dimensions 6 7 Electrical wiring diagram 6 8 Circuit board diagrams 7 9 9 Principles of operation 10 10 Troubleshooting 11 14 11 Before receiving repair requests 15 12 Service inspection list 15 13 Overhauling procedures 16 25 14 Parts catalog 26 42 JT SB116JH2 S NA 27 34 JT SB116JH2 W NA 35 42 ...

Page 3: ... Indoor Wiring Regulations and the installation instructions Make sure that the terminals and fixed wiring are securely connected Improper connection or wiring installation may result in electric shock and or fire Use proper parts and tools For repair be sure to use the parts listed in the service parts catalog of the applicable model and use the proper tools Failure to heed this warning may resul...

Page 4: ...erload protection device is installed if it is not installed recommend the customer to install one Check whether the air filter side cover and the drain tank are installed securely in place Do not leave a towel or other objects in the hand drying area Never place any objects on the main body nor cover it Make sure that the product is not being used in any of the following locations Outdoors Locati...

Page 5: ...Rated voltage Vac Rated frequency Hz Rated current A Air speed setting Power consumption W Air speed m h Noise dB A Weight Drain tank capacity Heater ON Heater OFF JT SB116JH2 S NA JT SB116JH2 W NA 120 60 11 4 HIGH 1250 730 235 59 26 5 lbs 12 kg 1 7 pt 0 8 ℓ STANDARD 1090 570 215 56 Air speed is calculated from the static pressure measured by the pitot tube at the nozzle Sound is the A range value...

Page 6: ...R BLOWER Blue Black Blue Red White Black White Orange Orange Thermal fuse 1 Thermal fuse 3 Thermal fuse 2 Power supply 120 V AC 60 Hz Terminal block CN19 CN12 CN15 CN15 CN11 CN21 CN18 CN7 CN8 CN5 Red White Red TAB4 TAB5 TAB6 TAB7 TAB8 TAB9 TAB1 TAB2 TAB3 CN4 Red CN2 Black TAB22 TAB23 TAB20 TAB21 CN31 CN30 FUSE3 250V 3 15A FUSE2 250V 25A FUSE1 250V 25A receiving circuit board Sensor board Sensor bo...

Page 7: ...ed power supply 15 V CN2 1P Non insulated power supply 0 V CN2 3P Reset input 5 V IC1 18P Carrier frequency 15 kHz IC1 8P Heater power supply 120 V AC With heater ON Between TAB3 and TAB4 Bus voltage Being stopped 170 V DC Between TAB5 and 0 V or between TAB6 and 0 V Clock frequency 12 MHz IC1 19P Power supply voltage 120 V AC Between TAB1 and TAB2 ...

Page 8: ... CN31 3P Insulated power supply 0 V CN31 4P 2 Filter circuit board JT 34F Clock frequency 8 MHz IC20 14P Reset input 5 V IC20 11P 5 V CN18 1P 15 V CN8 2P 0 V CN8 7P 3 Control circuit board JT 30M10 JT SB116JH2 S NA JT 30M10A JT SB116JH2 W NA Circuit thermostat characteristics IC20 5P Temperature Resistance IC20 5P Voltage 68 F 20ºC 59 3 kΩ 3 44 V 86 F 30ºC 37 6 kΩ 2 91 V 104 F 40ºC 24 5 kΩ 2 38 V ...

Page 9: ... 9 4 Light receiving circuit board JT 30S1R Upper sensor 5 Sensor circuit board JT 30S2R Middle sensor 6 Sensor circuit board JT 30S3R Lower sensor 7 Display circuit board JT 30S5R ...

Page 10: ... display will go off if the circuit breaker has been turned off Only when a microcomputer error is occurred the error display persists till the voltage retained in the circuitry has been discharged till the microcomputer has been reset 2 Hand detection and operation 1 The hand detection sensors are infrared sensors containing the light emitting sensor infrared LED and light receiving sensor photo ...

Page 11: ...be a cause check closely for any broken section on the copper foil patterns burning or discoloration of parts After replacing a circuit board make sure to restore the same settings as before the replacement The part names in the text are standardized with the part names in the parts catalog There are some exceptions Purpose Device Overcurrent protection Current fuse Protection against an excessive...

Page 12: ...connected Connector discon nection between the circuit boards Check if the connector CN2 on the power circuit board CN5 on the control circuit board or CN30 or CN31 on the filter circuit board is disconnected Malfunction of the control circuit board If no error is found after checking the above replace the control circuit board Malfunction of the power circuit board If the hand dryer does not oper...

Page 13: ... ply voltage any object disturbing the motor revolution etc Connector dis connection for the motor Check if the motor lead wire connectors black white and red are disconnected Blown thermal fuse of the motor Measure the resistance between Red and White and between Red and Black of the motor lead wires If it is Ω replace the blower assembly Malfunction of the power circuit board If no error is foun...

Page 14: ...nector CN11 4 Control circuit board connectors CN7 and CN8 Malfunction of the sensor cir cuit boards JT 30S1 2 3R Visually check the sensor circuit boards for a defect such as a crack corrosion or a cold solder joint If the error persists after replacing the control circuit board in the next procedure replace the damaged sensor circuit boards Malfunction of the control circuit board If no error is...

Page 15: ... is disabled in the meantime Warm air does not blow 1 Is the heater switch turned ON 2 Is the room temperature lower than 89 6 F 32 C The product has an abnormal odor 1 Check if the drain tank is filled up Empty the drain tank 2 Check the inside of the drain tank for any foreign matter Remove it 3 Is the inside of the side cover cleaned up 12 Service inspection list Location Inspection Item Check ...

Page 16: ...hock or injury Make sure to connect the power supply wires correctly After completing repairs check that the unit operates properly Always wear gloves when servicing The part names in the text are standardized with the part names in the parts catalog There are some exceptions Internal view and circuit board locations Control circuit board JT 30M10 JT 30M10A Light receiving circuit board JT 30S1R S...

Page 17: ...sy Tank assy 2 Unscrew the clamping screws and remove the front panel Two special spl screws 4 16 indicated by Front panel 3 Power cable 1 Unscrew the clamping screw and remove the terminal block TB cover One PTT screw 4 6 indicated by 2 Unscrew the clamping screws and disconnect the power cable leads Two screws indicated by Power cable Ground wire Terminal block TB cover Power cable Terminal bloc...

Page 18: ...nt cover Indicated by Take care not to pinch the lead wires Maint cover 1 Unscrew the clamping screws and remove the maintenance maint cover Two spl screws 4 x 16 indicated by Maint cover 3 Remove the light receiving circuit board JT 30S1R Fix plate 4 Light receiving circuit board JT 30S1R Maint cover Fix plate Light receiving circuit board Light receiving circuit board JT 30S1R ...

Page 19: ...the fix pieces Two locations 4 Remove the sensor circuit boards JT 30S2R from the fix pieces Sensor circuit board JT 30S2R Assembly precautions Insert the sensor circuit board between the claws of the fix piece Take care not to pinch the lead wires After installing the circuit board make sure that the LED is upright Panel holder R Fix piece Fix piece 7 Power circuit board JT 34P1H 1 Unscrew the cl...

Page 20: ...ew and remove the PCB cover One PTT screw 4 6 indicated by PCB cover Assembly precaution Install the PCB cover over the TB fix plate Precaution Pay attention not to pull the ground wire which is threaded through the cord bush of the TB cover TB cover Terminal block 5 Disconnect the lead wires from the filter circuit board 6 Remove the spacers four locations indicated by and then re move the filter...

Page 21: ... through the holes of the LED holder 3 Remove the display circuit board JT 30S5R from the LED holder Display circuit board JT 30S5R TB holder Assembly precaution When running the lead wire through the groove of the TB holder set the thermal fuse in the center of the groove Indicated by 10 Terminal block with the thermal fuse 1 Unscrew the clamping screws and remove the terminal block Two PPT screw...

Page 22: ...ling the PCB cover for the power circuit board Take care not to pinch the lead wires Fit the side panel L into the groove of the panel back and the base Base Panel back 3 Remove the side panel R in the direction of the arrow Side panel L Side panel R Panel back Groove Side panel L Base Assembly precaution Fit the side panel R into the groove of the panel back and the base Base Groove Side panel R ...

Page 23: ...out from the right side Lead wire Assembly precautions Hook the lead wire into the rib of the blower cover Indicated by Run the lead wires through the grooves of the blower cover Indicated by Make sure to match the size of the grooves and lead wires Take care not to pinch the lead wires Upper groove Bigger Lower groove Smaller 4 Unscrew the clamping screws and remove the exhaust duct Nine PTT scre...

Page 24: ...s and remove the blower case Three PTT screws 4 16 indicated by Blower case 3 Unscrew the panel front and panel holder clamping screws and remove the panel holders L and R Five PTT screws 4 16 indicated by Panel front Panel holder L Panel holder R Assembly precautions When replacing the blower assy attach the included fixing piece to the position indicated by with the included screw one PTT screw ...

Page 25: ...location indicated by and remove the sensor circuit board JT 30S3R Sensor holder When reassembling Reassemble the unit in the reverse order of disassembly After reassembly always make a test run to be sure that the unit oper ates properly Sensor circuit board JT 30S3R 4 Tilt the panel front in the direction of the arrow and remove it Panel front ...

Page 26: ...hine screw PP screw Cross recess pan head machine screw SW PP screw Cross recess pan head screw with spring washer PPT screw Cross recess tapping screw PCT screw Cross recess flat head tapping screw PTT screw Cross recess truss head tapping screw PT screw Cross recess truss head machine screw SET screw Slotted head stop screw SQ SET screw Square head stop screw P SET screw Pan head stop screw PMT ...

Page 27: ...5 14 1 2 3 8 9 5 10 18 20 7 11 12 13 16 17 a a a a a 9 pcs 4 6 6 a a a 11 pcs 13 21 Special screw 5x30 Special screw 4x12 7 pcs 1 pc a 13 13 JT SB116JH2 S NA Standard screws Symbol Screw name a PTT screw 4x16 shows accessory parts ...

Page 28: ...4 1 9 Panel holder R M45 684 825 1 10 Panel front M45 697 803 1 With packing 11 Panel back Y45 641 801 1 12 Base Y45 622 805 1 13 Spl screw 4 16 H00 631 018 17 14 Hook upper Y45 628 805 1 15 Side panel R Y45 631 815 1 Gray 16 Cover Y45 628 804 1 17 Filter M45 665 806 1 18 Hook lower Y45 621 813 1 19 PT screw 4 8 BS H00 011 008 4 20 Back plate Y45 628 802 1 21 Screw in bag Y45 641 049 1 Remarks No ...

Page 29: ...40 41 42 32 33 34 35 36 47 50 51 52 53 54 48 19 19 38 45 44 33 49 47 50 47 49 46 33 33 13 b c 2 pcs b a b a a a 4 pcs 2 pcs 38 Standard screws Symbol Screw name a PTT screw 4x16 b PTT screw 4x6 c PPT screw 4x20 JT SB116JH2 S NA ...

Page 30: ... M45 617 095 4 PCB 3L V 0 43 Circuit board Y45 628 172 1 JT 34F 44 PCB cover Y45 628 811 1 45 Spacer R50 213 095 2 46 Reactor assy M45 684 815 1 47 Spl screw 4 12 M34 869 018 3 48 Circuit board Y45 628 173 1 JT 30M10 49 Circuit board Y45 636 174 2 JT 30S2R 50 Fix piece M45 684 829 2 51 Circuit board Y45 636 175 1 JT 30S3R 52 Sensor holder M45 684 830 1 53 PCB cover M45 684 827 1 54 Circuit board Y...

Page 31: ... 31 72 73 74 75 76 71 77 78 79 a a a a a a a a a JT SB116JH2 S NA Standard screws Symbol Screw name a PTT screw 4x16 ...

Page 32: ... Blower assy Y45 628 400 1 74 Floating rubber M45 664 227 1 75 Heater PTC M45 702 800 1 With the fuse 76 Blower case M45 684 833 1 With packing 77 Cord bush Y45 628 225 1 78 Tank cover Y45 636 807 1 79 Tank assy Y45 636 813 1 No Name of part Parts No Q ty pcs unit Critical for safety Remarks 32 ...

Page 33: ...rmal fuse 2 Power supply 120 V AC 60 Hz Terminal block CN19 CN12 CN15 CN15 CN11 CN21 CN18 CN7 CN8 CN5 Red White Red TAB4 TAB5 TAB6 TAB7 TAB8 TAB9 TAB1 TAB2 TAB3 CN4 Red CN2 Black TAB22 TAB23 TAB20 TAB21 CN31 CN30 FUSE3 250V 3 15A FUSE2 250V 25A FUSE1 250V 25A receiving circuit board Sensor board Sensor board Sensor board Display circuit board Sensor light emitting 94 C 121 C 94 C JT 30M10 91 94 93...

Page 34: ... wire Y45 628 221 1 TAB1 2 TAB22 23 93 Lead wire Y45 636 221 1 CN7 CN12 CN15 94 Lead wire Y45 636 222 1 CN8 CN11 95 Lead wire Y45 641 219 1 CN31 CN5 CN21 96 Lead wire Y45 628 219 1 CN30 CN2 CN4 34 No Name of part Parts No Q ty pcs unit Critical for safety Remarks ...

Page 35: ...6JH2 W NA 13 19 15 14 1 2 3 8 9 5 10 18 20 7 11 12 13 16 17 a a a a a 9 pcs 4 6 6 a a a 11 pcs 13 21 Special screw 5x30 Special screw 4x12 7 pcs 1 pc a 13 13 Standard screws Symbol Screw name a PTT screw 4x16 shows accessory parts ...

Page 36: ...4 1 9 Panel holder R M45 684 825 1 10 Panel front Y45 636 816 1 With packing 11 Panel back Y45 641 800 1 12 Base Y45 622 805 1 13 Spl screw 4 16 H00 631 018 17 14 Hook upper Y45 628 805 1 15 Side panel R Y45 631 809 1 16 Cover Y45 628 804 1 17 Filter M45 665 806 1 18 Hook lower Y45 621 813 1 19 PT screw 4 8 BS H00 011 008 4 20 Back plate Y45 628 802 1 21 Screw in bag Y45 641 049 1 No Name of part ...

Page 37: ...dard screws Symbol Screw name a PTT screw 4x16 b PTT screw 4x6 c PPT screw 4x20 43 55 56 57 31 37 39 40 41 42 32 33 34 35 36 47 50 51 52 53 54 48 19 19 38 45 44 33 49 47 50 47 49 46 33 33 13 b c 2 pcs b a b a a a 4 pcs 2 pcs 38 ...

Page 38: ...M45 617 095 4 PCB 3L V 0 43 Circuit board Y45 628 172 1 JT 34F 44 PCB cover Y45 628 811 1 45 Spacer R50 213 095 2 46 Reactor assy M45 684 815 1 47 Spl screw 4 12 M34 869 018 3 48 Circuit board Y45 633 171 1 JT 30M10A 49 Circuit board Y45 636 174 2 JT 30S2R 50 Fix piece M45 684 829 2 51 Circuit board Y45 636 175 1 JT 30S3R 52 Sensor holder M45 684 830 1 53 PCB cover M45 684 827 1 54 Circuit board Y...

Page 39: ... 39 JT SB116JH2 W NA 72 73 74 75 76 71 77 78 79 a a a a a a a a a Standard screws Symbol Screw name a PTT screw 4x16 ...

Page 40: ... Blower assy Y45 628 400 1 74 Floating rubber M45 664 227 1 75 Heater PTC M45 702 800 1 With the fuse 76 Blower case M45 684 833 1 With packing 77 Cord bush Y45 628 225 1 78 Tank cover Y45 636 807 1 79 Tank assy Y45 636 803 1 No Name of part Parts No Q ty pcs unit Critical for safety Remarks 40 ...

Page 41: ...l fuse 1 Thermal fuse 3 Thermal fuse 2 Power supply 120 V AC 60 Hz Terminal block CN19 CN12 CN15 CN15 CN11 CN21 CN18 CN7 CN8 CN5 Red White Red TAB4 TAB5 TAB6 TAB7 TAB8 TAB9 TAB1 TAB2 TAB3 CN4 Red CN2 Black TAB22 TAB23 TAB20 TAB21 CN31 CN30 FUSE3 250V 3 15A FUSE2 250V 25A FUSE1 250V 25A receiving circuit board Sensor board Sensor board Sensor board Display circuit board Sensor light emitting 94 C 1...

Page 42: ... wire Y45 628 221 1 TAB1 2 TAB22 23 93 Lead wire Y45 636 221 1 CN7 CN12 CN15 94 Lead wire Y45 636 222 1 CN8 CN11 95 Lead wire Y45 641 219 1 CN31 CN5 CN21 96 Lead wire Y45 628 219 1 CN30 CN2 CN4 42 No Name of part Parts No Q ty pcs unit Critical for safety Remarks ...

Page 43: ...改訂記録表 U219 1 副番日付改訂内容の概要 2016年6月発行 A 2017 04 14 31 39ページサービス部品手配効率化のため照合番号73 Blower assy ブロワ組立の部品構成を見直した変更前変更後 72 73 74 72 73 74 ...

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